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H.W.R. Marloth, Fl. S. Afr. (Marloth), vol. 1 : p. 22, fig. 15 a (1913) [179]

Illustration contributed by:

Smithsonian Institute, Washington, D.C., U.S.A.

H.W.R. Marloth, Fl. S. Afr. (Marloth), vol. 1 : p. 22, fig. 15 a (1913)